When President Donald Trump revealed that his administration had struck a "massive" trade and investment deal with Japan, he described it as "completed"—but it must still pass the Japanese parliament, called the Diet, which is riven with political turmoil.

Among the strongest performers, Thermo Fisher Scientific rose 12%, topping the leaderboard for large-cap stocks, followed by T-Mobile US, up 9%.

As the window to seal a trade deal with the U.S. closes, analysts say Washington has its reasons to finalize an agreement with India sooner rather than later.

Stocks rose Wednesday after President Donald Trump announced the U.S. had reached a trade deal with Japan, lifting hope for further agreements being made.

U.S. President Donald Trump's trade deal with Tokyo opens scope for the Bank of Japan to raise interest rates again this year, sources say, a prospect the central bank may start to telegraph by offering a less gloomy view on the economic outlook.